47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
// RUN: %clang_cc1 -triple riscv32 -O2 -emit-llvm %s -o - \
|
|
// RUN: | FileCheck %s
|
|
// RUN: %clang_cc1 -triple riscv64 -O2 -emit-llvm %s -o - \
|
|
// RUN: | FileCheck %s
|
|
|
|
// Test RISC-V specific inline assembly constraints.
|
|
|
|
void test_I() {
|
|
// CHECK-LABEL: define{{.*}} void @test_I()
|
|
// CHECK: call void asm sideeffect "", "I"(i32 2047)
|
|
asm volatile ("" :: "I"(2047));
|
|
// CHECK: call void asm sideeffect "", "I"(i32 -2048)
|
|
asm volatile ("" :: "I"(-2048));
|
|
}
|
|
|
|
void test_J() {
|
|
// CHECK-LABEL: define{{.*}} void @test_J()
|
|
// CHECK: call void asm sideeffect "", "J"(i32 0)
|
|
asm volatile ("" :: "J"(0));
|
|
}
|
|
|
|
void test_K() {
|
|
// CHECK-LABEL: define{{.*}} void @test_K()
|
|
// CHECK: call void asm sideeffect "", "K"(i32 31)
|
|
asm volatile ("" :: "K"(31));
|
|
// CHECK: call void asm sideeffect "", "K"(i32 0)
|
|
asm volatile ("" :: "K"(0));
|
|
}
|
|
|
|
float f;
|
|
double d;
|
|
void test_f() {
|
|
// CHECK-LABEL: define{{.*}} void @test_f()
|
|
// CHECK: [[FLT_ARG:%[a-zA-Z_0-9]+]] = load float, float* @f
|
|
// CHECK: call void asm sideeffect "", "f"(float [[FLT_ARG]])
|
|
asm volatile ("" :: "f"(f));
|
|
// CHECK: [[FLT_ARG:%[a-zA-Z_0-9]+]] = load double, double* @d
|
|
// CHECK: call void asm sideeffect "", "f"(double [[FLT_ARG]])
|
|
asm volatile ("" :: "f"(d));
|
|
}
|
|
|
|
void test_A(int *p) {
|
|
// CHECK-LABEL: define{{.*}} void @test_A(i32* %p)
|
|
// CHECK: call void asm sideeffect "", "*A"(i32* %p)
|
|
asm volatile("" :: "A"(*p));
|
|
}
|